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Finding the Fourth Proportional to 162,361.06, 243,450.46 and 111,819.49

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Solution

The fourth proportional to 162,361.06, 243,450.46 and 111,819.49 is: 167,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,361.06 : 243,450.46 = 111,819.49 : x
  2. Step 2: Convert to fraction form
    162,361.06/243,450.46 = 111,819.49/x
  3. Step 3: Cross multiply
    162,361.06x = 243,450.46 × 111,819.49
  4. Step 4: Simplify right side
    162,361.06x = 27,222,505,808.61
  5. Step 5: Solve for x
    x = 27,222,505,808.61/162,361.06
  6. Step 6: Final answer
    x = 167,666.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.